Green Creek is an unincorporated community located within Middle Township, in Cape May County, New Jersey, United States. It is located on New Jersey State Route 47. It is a very low lying area with a highest elevation of just above 20 feet (6.1 m). The community is located about 3 miles (4.8 km) west of Rio Grande and about 2 miles (3.2 km) from the Delaware Bay. It is mostly residential with areas of agriculture and commerce along the main road, Delsea Drive (Route 47).